In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Hot water can freeze faster than cold water.
181
For every gallon of sea water, you get more than a quarter pound of salt.
45
German chemists made a replica of a trophy the size of one molecule.
68
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42